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Finding the Fourth Proportional to 63,371.63, 87,452.92 and 39,498.28

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Solution

The fourth proportional to 63,371.63, 87,452.92 and 39,498.28 is: 54,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,371.63 : 87,452.92 = 39,498.28 : x
  2. Step 2: Convert to fraction form
    63,371.63/87,452.92 = 39,498.28/x
  3. Step 3: Cross multiply
    63,371.63x = 87,452.92 × 39,498.28
  4. Step 4: Simplify right side
    63,371.63x = 3,454,239,920.98
  5. Step 5: Solve for x
    x = 3,454,239,920.98/63,371.63
  6. Step 6: Final answer
    x = 54,507.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.